This Marlin manufactured second variation 20 3/4" long (22" long including the follower) inner magazine tube assembly is for the earlier model 60 semi-auto rimfire rifle manufactured between 1982 and 1989 and is in very good condition with light wear and a tarnish to the brass tube. (file photos)
Note: Firearms with the following years of manufacture and serial numbers have been observed with this part:
1984: 16359195 & 16426541
1986: 14431919
1989: 11174735